981483619 has 4 divisors (see below), whose sum is σ = 981588160. Its totient is φ = 981379080.

The previous prime is 981483583. The next prime is 981483631. The reversal of 981483619 is 916384189.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 916384189 = 7 ⋅130912027.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-981483619 is a prime.

It is a super-2 number, since 2×981483619² = 1926620188730674322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981483119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36627 + ... + 57484.

It is an arithmetic number, because the mean of its divisors is an integer number (245397040).

Almost surely, 2^981483619 is an apocalyptic number.

981483619 is a deficient number, since it is larger than the sum of its proper divisors (104541).

981483619 is a wasteful number, since it uses less digits than its factorization.

981483619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104540.

The product of its digits is 373248, while the sum is 49.

The square root of 981483619 is about 31328.6389586270. The cubic root of 981483619 is about 993.7893810640.

The spelling of 981483619 in words is "nine hundred eighty-one million, four hundred eighty-three thousand, six hundred nineteen".